1. A word to use when describing something that is beyond anything that can be described with words.
2. Describing the way you act/dress/talk/etc. that is particular to you and how you pull it off.
Guy 1: I fucked 58 bitches last night!!!!
Guy 2: Thats dewy
Guy 1: Hey check out what Johnny's wearing
Guy 2: Damn, he's dewy.